Granted Patent
Utility
US 5,574,004 · App. 08/340,064
Carbonate built non-bleaching laundry detergent composition containing a polymeric polycarboxylate and a zinc salt
Inventor:
Charles D. Carr
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Nov 15, 1994
Inventor
Charles D. Carr
Assignee (at issue)
Church & Dwight Co., Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.